Fused salt heat exchange experimental device and control method thereof

A thermal experiment and molten salt technology, applied in the field of heat exchange of molten salt working fluid, can solve problems such as excessive pressure fluctuations in pipelines, blockage of experimental pipelines, high danger, etc., to reduce energy consumption, reduce engineering workload, and hidden safety hazards low effect

CN105605955AActive Publication Date: 2016-05-25XI AN JIAOTONG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2016-05-25

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Abstract

The invention discloses a fused salt heat exchange experimental device and a control method thereof. The experimental device comprises a high-temperature fused salt circulating circuit, a heat-conducting oil circulating circuit, a cooling water circulating circuit and a control system, wherein the high-temperature fused salt circulating circuit and the heat-conducting oil circulating circuit are separately connected with parallel fused salt heat exchange experimental sections; the heat-conducting oil circulating circuit and the cooling water circulating circuit are separately connected with a heat-conducting oil heat exchanger and a cooling water heat exchanger; the control system is a Fuzzy-PID (Proportion Integration Differentiation) control system, and has the characteristics of rapid response control, high control precision and easiness for realization. According to the fused salt heat exchange experimental device and the control method thereof disclosed by the invention, the project quantity of replacing the experimental sections is reduced; meanwhile, the experimental sections are simultaneously performed by intelligent control, so that the consumption of energy sources is reduced to a great degree, and accurate control over temperature and flow can be realized; meanwhile, aiming at the control over the parallel experimental sections, huge contribution on energy conservation is realized. Experimental operation personnel are away from an experimental table area, and intelligent automation is completely realized, so that the security of the experimental personnel is realized.
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Description

technical field

[0001] The invention belongs to the technical field of molten salt heat exchange, and relates to a molten salt heat exchange experimental device and a control method thereof. Background technique

[0002] As we all know, molten salt has the characteristics of wide temperature range, high thermal stability, low vapor pressure, large heat capacity, strong ability to dissolve substances, low viscosity and relatively cheap price. Therefore, molten salt has broad application prospects as a heat transfer and heat storage fluid, such as in metallurgy, chemistry, nuclear power, and solar energy. Moreover, molten salt solar power plants have been used in commercial power generation around the world. Therefore, the large-scale molten salt heat exchange test bench has an important guiding role in the application of molten salt

[0003] At present, there are many conventional molten salt heat exchange test benches, all of which are small-scale experimental benches with ...

Examples

Embodiment Construction

[0057] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0058] see figure 1 , figure 2 , a molten salt heat exchange experimental device, including a high-temperature molten salt circulation loop, a heat transfer oil circulation loop, a cooling water circulation loop and a control system, the high temperature molten salt circulation loop and the heat transfer oil circulation loop are respectively connected to a molten salt heat transfer experiment section in parallel , the heat transfer oil circulation circuit and the cooling water circulation circuit are respectively connected to the heat transfer oil / cooling water heat exchanger;

[0059] The high-temperature molten salt circulation circuit includes a connected salt storage tank and a molten salt circulation pipeline, as well as a plurality of temperature control components and a plurality of ...